| November 1977 |
SANEI KAIHATSU Co.,Ltd. Electronics Division was founded |
| December 1983 |
SANEI HYTECHS Co., Ltd. was incorporated |
| January 1998 |
Acquired ISO9001 certification |
| March 2002 |
Became an InnoTech Group company |
| April 2004 |
Established the Tokyo Office (Now the Tokyo Design Center) |
| April 2007 |
Held the 30th anniversary of founding ceremony |
| October 2007 |
Established the Kansai Design Center |
| October 2011 |
Established the China Design Center (Now Sanei Hytechs (Chengdu) Co., Ltd.) |
| April 2012 |
Established the Nagoya Sales Office (Now the Nagoya Office) |
| June 2015 |
Established Sanei Hytechs Vietnam Co., Ltd. in Vietnam |
| August 2016 |
Acquired full ownership of JSC Co., Ltd. |
| May 2018 |
Moved the Nagoya Office to Global Gate 10th Floor, 60-12 Hiraike-cho 4-chome, Nakamura-ku, Nagoya-shi, Aichi |
| June 2020 |
Established Sanei Hytechs (Yinchuan) Co., Ltd., Suzhou Branch |
| August 2020 |
Moved the Kansai Design Center to BUILCO 5F, 3-7-3 Nakatsu, Kita-ku, Osaka-shi, Osaka |
| October 2020 |
Opened the Engineering Development Center |
| September 2021 |
Acquired ISO/IEC27001 certification |
| October 2025 |
Opened the Hikone Sattelite Office |